Expanded Form of 400.8

Place Value Chart
Hundreds Tens Ones Tenths
400.8 4 0 0 . 8

Expanded Form of 400.8:
400.8 = (4 * 102) + (8 * 1/101)
400.8 = (4 * 100) + (8 * 1/10)
400.8 = 400 + 8/10

400.8 = 400 + 0.8

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